Pole or toweb



(No Model.) 2 SheetsSheet J. W. mi. POLE OR TOWER.

130,401,333. Patented Apr. 13, 1333 N. PETKRS. PholoLnhngnpMn Wilmington. 0.1;

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PATENT JOHN IV. DAVY, OF KINGSTON, ONTARIO, CANADA.

POLE OR TOWER.

SPECIFICATION forming part of Letters Patent No. 401,333, dated April 16, 1889.

Application filed May 29 1888- T at whom, it may concern:

Be it known that I, JOHN W. DAVY, of Kingston, in the Province of Ontario and Dominion of Canada, have invented a certain new and useful Improvement in Poles or Towers; and I do hereby declare that the following is a full, clear, and exact description of the invention, which will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to the letters of reference marked. thereon, which form part of this specification.

My invention relates to an improvement in poles or towers especially adapted for use as light-towers. v

The object of the invention is to construct a tower that may be simple in construction, economic in first cost, strong and durable in use, and in such manner that all of the joints are interchangeable with like joints throughout the structure.

A further object is to build a tower in such man nor that neither nails nor bolts are used in the superstructure; and also that each part of the structure can be removed from its place and a new piece substituted therefor.

A still further object of the invention is to so construct the base, to be located in the ground in such manner that masonry is not required, that all the parts of the tower are made in the shops before removed to the place of erection.

A final object is in the construction and arran geinent of the crown upon which the lights are appropriately fixed for operation from the ground, all of which will be more fully described, and pointed out in the claims.

In the accompanying drawings, Figure 1 is an elevation of the lower portion of one form of tower. Fig. 2 is a detached view of the crown or top of the tower shown in Fig.1. Fig. 3 is a detail elevation of the trussing or joint in the tower. Figs. 4, 5, and 6 are detail views of the sleeves and sockets employed in connecting various parts and forming an important feature of the invention. Fig. 7 is a section looking down on line a: a, Fig. 1.

In the construction. shown by general views Serial No. 275,471. (llomodeh) in Figs. 1 and 2 the reference-letter A indicates the main uprights of the tower, preferably formed of steel sections jointed together, as hereinafter described. This form of tower, as shown in the drawings, is rectangular in cross-section and tapers upward from its base or anchor, which is adapted to be buried a suitable distance beneath the surface of the ground, and is so constructed that the tower will be firmly upheld and will dispense with the use of masonry, and said anchor is secured to the uprights by the sleeves a. upon and embracing the lower ends of the uprights, and removably secured to the same in any suitable manner, as by wedges a", driven between the sides of the uprights and the interiors of the sleeves. Each upright is provided with one sleeve a, embracing its lower end, and said sleeves to are each provided with, preferably, four sockets or collars, 1 2 3 4, transversely located upon the exterior of the main sleeve. (See Fig. 4.) Transverse horizontal supporting beams or bars 0 connect each pair of uprights and extend a suitable distance beyond the same. Said transverse horizontal beams or bars 0 are secured to the uprights by means of lower transverse sockets, l 2, located upon the two outer sides of the sleeves a and extending in planes at right angles to each other, the bars 0 being embraced by said sockets and removably secured in the same in asuitable manner, as by wedges a. Thus it will be seen that in a tower of this kind, where four uprights are employed, there will be four horizontal transverse beams in the anchor, two of the bars being parallel and crossing the other parallel pair at right angles, and each bar will be secured to two uprights and each upright will have two bars secured to it. Inclined braces 19 secure the uprights and transverse bars of the anchor together by means of sleeves I),

(see Fig. 5,) located on and suitably secured to each of said bars and provided with inclined sockets, in which the lower ends of the braces are secured by suitable means, and the upper portions of said braces extend through and are removably secured in the inclined sockets 3 and 4 of the sleeve a. It will thus be seenthat a base or anchor is formed possessing great strength and durability and composed of a minimum nuniber of removable interchangeable parts.

The tower is composed of any suitable number of sections, whereby it can be readily taken down or its height increased or decreased, as desired, and said sections are removably jointed together by means of vertical sockets or sleeves 0', into which the adjoining ends of the removable sections are reinovably secured in a suitable manner, as by wedges a, and each set of vertical sockets for each joint is strongly and rigidly connected in a suitable manner, as by a platform or the like, and the set of vertical sockets connecting the two lower sections, when the uprights are quite a distance apart, are further braced by vertical webs, as shown, extending from the sockets to the platform.

As shown in Figs. 1 and 3, the uprights are strongly connected by diagonal braces at about the center of the vertical height of the tower and at the junction of two. sections. These diagonal braces d are removably secured to the uprights, and held in position by sleeves d, embracing and removably secured to said uprights, each of said adjoining sections of the uprights being provided with a sleeve, d, at the joint; hence each upright will be provided with two of said sleevesone above and one below its vertical socket c (see Fig. 3,) each of said sleeves cl being provided with two diagonal sockets or collars, 5 6, located on two sides of said sleeves, which are at right angles to each other. On each upright the sockets of the sleeve below the joint are respectively located on opposite sides to the corresponding sockets of the sleeve above the joint. The diagonal braces extend through said sockets, and are suitably secured in the same, each brace extending from a socket on an upper sleeve to a socket on a lower sleeve upon an opposite upright. In the construction shown there are eight diagonal braces, the ends of four braces being secured to each upright. By this construction the joint is made firm to resist strain in any direction, and yet it is elastic, the parts are interchangeable, and the whole removable.

The top section of the tower is provided with a crown, as shown in Fig. 2, consisting of a main supporting-rod, 0, preferably segmental in shape and supported above the tower by vertical radial supporting-arms 5 extending from the upper end of the top section of the tower upwardly and radially to the segmental rod or bar 0.

The crown of the tower is provided with any suitable number of lamps or burners O, or the like, preferably, although not neces sarily, electric, with reflectors O and each lamp or burner and its reflector is adjustably mounted on said crown by means of sleeves e, loosely embracing the outer periphery of the segmental rod of the crown, to turn upon the same. Each lamp or burner and its reflector is also provided with ropes or the like,

E, secured to opposite sides of the sleeves and operating over pulleys, as shown, journaled at the upper end of the tower or at the base of the radial arms. From thence the ropes extend downward to the ground, or to a platform or cradle, E, provided with pulleys upon which the ropes work.

It should be observed that each lamp and its reflector turns upon the segmental bar of the crown as a center or axis, the lamps near the top of said bar turning in a vertical plane and those at the lower ends of the same in horizontal planes. Thus it will be seen that light can be thrown in any desired or imaginable direction.

Each lamp and its reflector is provided with a separate adj Listing-rope, E, the opposite ends of which are secured to opposite sides of sleeve by which the lamp is mounted, as before mentioned, while the middle portion of the operating-rope is confined. Thus it will be seen that the lamps can be operated from the'ground and turned in either direction and held in the desired position.

The lower ends of the segmental bar or rod of the tower-crown support pulleys over which operate ropes E each rope carrying an electric lamp, as shown, the opposite end of the rope extending to pulleys on the top section of the tower, and from thence to or near the ground, where they are detachably secured, and by which the lamps upon their opposite ends can be raised or lowered.

The tower-crown can be provided with any number of suitable branch arms, as shown, for supporting extra lamps or burners, and, as shown in Fig. 1, the lower portion of the tower is or can be provided with verticallyadjustable brackets E supporting gas, oil, or electric lamps at their outer ends, and said brackets are adjustably secured to and on the uprights of the tower by sleeves embracing the uprights of the tower.

It will be readily seen that the herein-described light tower or pole and its attachments are exceedingly cheap, durable, and simple in their construction. The parts are detachable, interchangeable, exceedingly strong, and the joints are strong and yet sufficiently elastic and yielding. It is not necessary to use screwthreads, nails, bolts, rivets, or the like, as the parts are firmly and detachably connected by cheaper and better means, as described.

It is not considered necessary to fully enumerate the further advantages of the hereindescribed invention over all others heretofore in use, as they will be readily seen and comprehended by all persons.

It is evident that various changes and modifications might be made in the form and arrangement of the various parts described without departing from the spirit and scope of my invention; hence I do not wish to limit myself strictly to the precise construction herein set forth, but consider myself entitled to all such changes and modifications.

WVhat I claim is- 'IIO 1. In a metallic pole or tower, uprights formed in sections, in combination with a joint consisting of a sleeve or socket open at each end, into which the adjoining ends of two sections are inserted, and wedges driven into the socket or sleeve between its inner surface and the outer faces of the sections, thereby removably and rigidly clamping the sections together to form a continuous piece, substantially as set forth.

2. The combination, with a pole or tower, of a base or anchor consisting of horizontal transverse bars secured to the lower end of the tower 0r pole and projecting laterally beyond the same, inclined braces secured to said bars and to the tower or pole, and sleeves provided with sockets, whereby said bars, braces,

and tower or pole are secured together, substantially as described.

The combination, with a pole or tower, of a suitable anchor secured to the lower end of the same and adapted to be buried a suitable distance below the surface of the ground, and vertically-adj ustable lamps or burners carried by said pole or tower a suitable distance above the surface of ground by adjustable sleeves and brackets, substantially as described.

4. The herein-described upwardly-tapering light-tower, consisting of three or more uprights formed in sections detachably jointed together by means of suitable sleeves or sockets, cross-braces, and wedges for removably clamping the upright sections in said sleeves, links, or sockets, substantially as described.

5. A light tower composed of uprights formed in sections and suitably connected and jointed together, in combination with an anchor or base for the same, a crown supported by the top of the tower, lamps or burners adj ustably supported by said crown, and ropes or chains connected with the lamps and by which the same are adjusted, said ropes extending downwardly to or near the ground, substantially as described.

6. A light-tower tapering upwardly and consisting of uprights formed in interchangeable sections relnovably clamped together and supporting a crown upon which the lights are carried, and an anchor or base for the tower composed of interchangeable parts removably clamped together, as set forth.

7. A light-tower tapering upwardly and consisting of uprights formed in sections removably clamped together by means of sockets connected in sets, and wedges by which said sections are clamped in the sockets, whereby the height of the tower can be increased or diminished, substantially as described.

8. A stationary upwardly-tapering lightt-ower comprising. uprights suitably secured together, in combination with an anchor for the same buried a suitable distance beneath the surfaceof the ground, and comprising a number of horizontal beams equal to the number of uprights, each beam connecting, secured directly, to and extending beyond the lower ends of two or more uprights, and inclined braces secured to each upright and to the horizontal beams directly secured to the lower end of the same, substantially as described.

9. The herein-described light-tower, composed of uprights formed in sections and provided with a suitable anchor or base and a light-supporting crown, and the herein-described joint and brace between a set of upright sections consisting of sleeves provided with inclined sockets, inclined brace-rods removably clamped in said sockets and extending diagonally from each upright to the next adjoining uprights and from a section above the joint to a section belowa joint, and wedges for clamping the rods and uprights in the sleeves and sockets,substantially as described.

10. The combination, with a light-tower, of a crown supported by the top of the tower and provided with a segmental supportin rod, and lamps or burners provided with reflectors and carried by sleeves loosely mounted on the supporting-rod, and means whereby the lamps can be turned in the desired direction, substantially as described.

11. In a light-tower provided with a crown, lamps or burners provided with reflectors and adj ustably mounted on said crown, and ropes or chains extending to or near the ground, whereby each lamp can be independently adjusted from the ground to throw a light in any direction, substantially as described.

12. A light-tower the various parts and sections of which are clamped and removably secured together by means of sleeves and wedges, thereby dispensing with the use of nails, bolts, &c., substantially as described.

In testimony that I claim the foregoing as my own I affix my signature in presence of two witnesses.

JOHN W. DAVY.

\Vitnesses O. E. DUFFY, HUBERT E. PECK. 

